Name: Li Ping Job: A teacher

Trouble: She has two classes every day. She has a sore throat. Advice: Don't talk too much. Drink a lot of hot water.

Name: Xu Feng Job: A cook

Trouble: He cooks plenty of dishes every day. He has a pain in his left arm.

Advice: Do some exercise. Take some medicine.

Name: Zhang Wei Job: An engineer

Trouble: He often works overtime in front of the computer. He has a sore back.

Advice: Have a good rest.

Name: Xu Li

Job: A policewoman

Trouble: She doesn't eat regularly(有规律地). She has a bad stomachache.

Advice: Go to a doctor and take some medicine.